822664412 has 6 divisors (see below), whose sum is σ = 1439662728. Its totient is φ = 411332204.

The previous prime is 822664393. The next prime is 822664429. The reversal of 822664412 is 214466228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102833048 + ... + 102833055.

It is an arithmetic number, because the mean of its divisors is an integer number (239943788).

Almost surely, 2^822664412 is an apocalyptic number.

It is an amenable number.

822664412 is a deficient number, since it is larger than the sum of its proper divisors (616998316).

822664412 is a wasteful number, since it uses less digits than its factorization.

822664412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205666107 (or 205666105 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 822664412 is about 28682.1270480416. The cubic root of 822664412 is about 937.0028319062.

The spelling of 822664412 in words is "eight hundred twenty-two million, six hundred sixty-four thousand, four hundred twelve".